KidneyKidney Function TestsCreatinineRenal InsufficiencyKidney Failure, ChronicKidney DiseasesGlomerular Filtration RateRenal DialysisHalf-LifeAcute Kidney InjuryMetabolic Clearance RateProteinuriaAnuriaUremiaAzotemiaRenal Insufficiency, ChronicKidney TransplantationIothalamic AcidBlood Urea NitrogenNephrotic SyndromeGlomerulonephritis, IGAUreterostomyNephrectomyHyperkalemiaKidney Tubular Necrosis, AcuteRenal CirculationGlomerulonephritis, MembranousAlbuminuriaRenal ArteryDiabetic NephropathiesRetrospective StudiesTime FactorsPeritoneal Dialysis, Continuous AmbulatoryBlood PressureTreatment OutcomeKidney GlomerulusFollow-Up StudiesGlomerulonephritisProspective StudiesReference ValuesArea Under CurveBiological MarkersPeritoneal DialysisImmunosuppressive AgentsHypertensionRisk FactorsInjections, IntravenousUreaPhosphorusAdministration, OralInfusions, IntravenousCephalosporinsDisease ProgressionParathyroid HormoneChronic DiseasePrognosisPostoperative ComplicationsPredictive Value of TestsPhosphatesBiopsyContrast MediaSeverity of Illness IndexRenal Artery ObstructionRadioisotope RenographyCase-Control StudiesDrug Administration ScheduleDose-Response Relationship, DrugTechnetium Tc 99m MertiatideCystatin CDiabetes Mellitus, Type 2Regression AnalysisKineticsAnti-Bacterial AgentsCardiovascular DiseasesMultiple MyelomaAge FactorsCross-Sectional StudiesDiuresisRenal Plasma Flow, EffectiveCalciumKidney TubulesTechnetium Tc 99m PentetateChromatography, High Pressure LiquidAnalysis of VarianceCardio-Renal SyndromeRenal Plasma FlowHypertension, RenalHydronephrosisNatriuresisHypertension, RenovascularCystatinsCyclosporineNephritis, InterstitialInulinDiureticsIodohippuric AcidUreteral ObstructionFurosemideAngiotensin-Converting Enzyme InhibitorsGraft Rejection